Wide Area Warning - 1.5 km coverage AIRCHIME Model CA-4 air horns are designed for an area warning radius of up to 1.5 kilometers. This omni directional horn has durable, solid cast bronze bell construction and stainless steel diaphragm disc. Typical applications: Open pit mine, blasting signal, school, factory shift warning, pulp and paper mill, saw mill, lumber mill, golf course. Technical Data (pdf file) Typcial Installation (pdf file)

Kahlenberg Brothers Company 1700 12th Street, P.O. Box 358, Two Rivers, WI 54241 Phone: (920) 793-4507 | Fax: (920) 793-1346 |